The Enkei RPF1 is a one-piece cast racing wheel built with Enkei's MAT process, a manufacturing method that combines casting with a secondary rim-spinning step to reduce weight without giving up strength. Enkei is an official wheel supplier to the McLaren Mercedes Formula One team, and the RPF1's twin-spoke design and center pocket construction draw directly from that program's wheel technology.Cutting rotating and unsprung weight at the wheel has an outsized effect on how a car feels: less mass to accelerate, brake, and turn at each corner. The twin-spoke layout is shaped to spread stress evenly under cornering and hard braking, and the pocketed center design around the bolt circle adds rigidity while helping the wheel run cooler during aggressive driving.Features MAT-process casting reduces wheel weight roughly 10-15% versus standard cast construction Twin-spoke design developed alongside Enkei's Formula One wheel program Pocketed center design increases rigidity and heat dissipation at the bolt circle Spec-E inspected Product Specifications Size Offset Bolt Pattern Finish 16x7 ET35 5x100 Silver 17x7.5 ET48 5x100 Silver 17x7.5 ET48 5x112 Silver 17x8 ET35 5x100 Silver 17x8 ET45 5x100 Silver or Gold 17x9 ET45 5x100 Silver or Gold 18x7.5 ET48 5x100 Silver 18x7.5 ET48 5x112 Silver 18x8 ET35 5x100 Silver 18x8 ET35 5x112 Silver 18x8 ET45 5x100 Silver or Gold 18x9 ET35 5x112 Silver 19x8 ET35 5x100 Silver Frequently Asked QuestionsIs the RPF1 a cast or forged wheel?It's a one-piece cast wheel finished with Enkei's MAT process, which is a different (and lighter) approach than a standard cast wheel, though not the same as a fully forged wheel.Which bolt pattern do I need?Check the Product Specifications table above for the exact size, offset, and bolt pattern combination before ordering.Not sure which size or offset is right for your car?Contact your BMP Tuning rep and we'll help you pick the right fitment.
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